Giant freshwater crayfish, longer and bulkier than today's species, roamed New Zealand 20 million years ago. They would have ...

If you’ve ever seen adult jumping worms, there’s no mistaking them. Found near the surface of soil and larger than your average worm, jumping worms don’t actually jump, but they thrash and wriggle ...

Here are our favorite types of freshwater fish you can keep as a pet. If you're in the throes of setting up a home aquarium, ...

One particularly nasty strain, S. haematobium, infects over 110 million people around the world. One inside the body, the ...

New research suggests that an “often-overlooked” parasitic infection, already linked to bladder cancer, may also raise the risk of cervical cancer.